# Möbius Sync vs Swift Paperless

The clearest difference is rating: Swift Paperless at 4.9 against Möbius Sync's 3.8. Swift Paperless also leads on review sentiment (97% vs 55%) and monetization model (free vs free with in-app purchases). Möbius Sync's advantage is iOS requirement (14.1 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Möbius Sync sells 1 one-off in-app purchase and Swift Paperless sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Swift Paperless holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 140 and 68 respectively. Written reviews point the same way: 55% of Möbius Sync's written reviews are positive against 97% of Swift Paperless's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Möbius Sync | Swift Paperless |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (140 ratings)](https://appshunter.io/ios/app/mobius-sync/id1539203216/reviews) | **[4.9 (68 ratings)](https://appshunter.io/ios/app/swift-paperless/id6448698521/reviews)** |
| Number of ratings | **140** | 68 |
| Positive reviews | 55.0% of reviews | **96.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 26 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pickup Infinity Limited](https://appshunter.io/developer/1118833408) | [Paul Gessinger](https://appshunter.io/developer/867006427) |

## What reviewers say

### Möbius Sync

[App page](https://appshunter.io/ios/app/mobius-sync/id1539203216)

Synchronize files between your iOS devices and other Syncthing-supported platforms without relying on cloud storage. Manage multiple folders and remote devices, with options for sandbox or experimental cross-app sandbox syncing.

**Highlights:** File synchronization between iOS and other Syncthing devices, No cloud service required, Supports multiple folders and remote devices, Sync within app sandbox or other app sandboxes (paid), Uses open-source Syncthing engine

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited file sync | $4.99 | one-time |

**What reviewers like**

- ✅ Effective Syncthing implementation for iOS
- 💰 Fair one-time purchase model (no subscription)
- 🔒 Privacy-focused peer-to-peer syncing
- 📱 Good Files app integration
- ⚡ Fast file synchronization when working

**What reviewers complain about**

- 🐛 Outdated internal Syncthing version (1.28 vs 2.x)
- 💸 Aggressive paywall at 20MB free limit
- 🔌 No true background sync (iOS limitation)
- 🚫 Cannot sync iOS Photos app natively
- ⚠️ Inconsistent purchase restoration across devices

**Reported bugs**

- Syncthing version incompatibility with v2.x devices
- Device discovery limited to 1 of 5 paired devices
- Insufficient space errors despite available storage
- Purchase dialog rendering issues on older devices
- Purchase not persisting after app reinstall

**Requested features**

- Update internal Syncthing to version 2.x or higher
- iOS Photos app sync capability (at least one-way upload)
- True background synchronization
- Selective folder sync to save storage space
- File Provider extension for deeper iOS integration


### Swift Paperless

[App page](https://appshunter.io/ios/app/swift-paperless/id6448698521)

This app allows users to manage documents directly from their iOS device. It seamlessly integrates with a self-hosted document management system, ensuring data privacy and control. Easily find, categorize, and add new documents on the go.

**Highlights:** Native iOS integration, Paperless-ngx compatibility, Document finding, Document categorization, Add documents from phone

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee money | $3.99 | one-time |
| Proper thank-you | $8.99 | one-time |
| Above and beyond | $17.99 | one-time |
| Legendary generosity | $44.99 | one-time |


## Frequently asked questions

### Is Möbius Sync free?

Möbius Sync is free to download, with in-app purchases available.

### Is Swift Paperless free?

Swift Paperless is free to download, with in-app purchases available.

### Which has better reviews, Möbius Sync or Swift Paperless?

Swift Paperless is rated higher. Möbius Sync averages 3.8 out of 5 from 140 ratings, while Swift Paperless averages 4.9 from 68 ratings.

### Do Möbius Sync or Swift Paperless have ads?

Neither Möbius Sync nor Swift Paperless shows ads.

### Which is updated more often, Möbius Sync or Swift Paperless?

Möbius Sync ships an update every 2 months, and Swift Paperless every 2 months. Most recently, Möbius Sync was updated on September 25, 2026 and Swift Paperless on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*